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9/19/2017 7:27:10 PM
Posted: 3/4/2006 6:04:33 PM EDT
Hey folks,

I'm sure someone has asked this before, but I searched and couldn't find anything (here on the forums, and via Google).

Can anyone explain what the difference is between 7075-T6 aluminum and 7076-T6 aluminum with regards to AR15 forged lower receivers ?

Thanks.
Link Posted: 3/4/2006 6:07:29 PM EDT
It has one more...............of something.
Link Posted: 3/4/2006 6:11:27 PM EDT
+1
Link Posted: 3/4/2006 6:12:57 PM EDT
Oh thanks Rangie!

Diet Coke in the sinus passages sux!

That was funny!

Johnny C!
Link Posted: 3/4/2006 6:25:42 PM EDT
[Last Edit: 3/5/2006 2:13:58 AM EDT by j3_]
....................................
Link Posted: 3/4/2006 7:11:24 PM EDT

Originally Posted By j3_:
www.matweb.com/index.asp?ckck=1

www.matweb.com/search/GetSubcat.asp



one of those links doesn't work without the cookie you got but from glancing through the spec sheets:

7075 has a bit of chromium in it, and appears to be slightly higher tensile strength and slightly less dense.

I'd guess, however, that the 83000 psi vs 74000 psi difference in tensile strengths will not likely ever be meaningful in the lower reciever of an AR.
Link Posted: 3/4/2006 8:47:23 PM EDT

Originally Posted By JHaines:
Hey folks,

I'm sure someone has asked this before, but I searched and couldn't find anything (here on the forums, and via Google).

Can anyone explain what the difference is between 7075-T6 aluminum and 7076-T6 aluminum with regards to AR15 forged lower receivers ?

Thanks.




Such a thing does not exist. You are worring about a typo.
Link Posted: 3/4/2006 8:48:27 PM EDT
0001
Link Posted: 3/4/2006 8:51:39 PM EDT

Originally Posted By scottryan:
Such a thing does not exist. You are worring about a typo.



Now I am worrying about two typos.
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